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You could make a ghetto one out of a longer bolt with a nut and a washer.
Put them in this order
relatively longer bolt (pass/thread this through the following in order)
nut
oversized washer (washer needs to bigger than the outside diameter of the rivnut to work properly for this)
rivnut
insert the rivnut into the material you want to install it into, put the washer down on top of the riv nut, spin the nut down to the washer, hold the top of the bolt stationary with a wrench or socket while you tighten the nut down onto the washer with a separate wrench. Hold the stack up of items tightly into the hole you are installing it in and crank down on the nut. This will draw the bolt that is threaded into the rivnut up towards the surface of the material you are installing it into and expand the back of the rivnut just the way a rivnut insertion tool would do. When it is tight enough that you are comfortable with it, back off the nut and washer and then spin the bolt out of the freshly installed rivnut.
This also works for tightening up rivnuts that have started to spin in the subframe of a bike or wherever else they may have been installed.
This doesn't work when you use the video tags: http://youtu.be/KeaMsvai0FA?t=2m2s
Last edited by nhbubba; 08-22-14 at 08:09 PM.
I have one next time you come through RI.
-Pete
NEMRR #81 - ECK Racing
Cyclesmith Track Days
Woodcraft | MTag-Pirelli | OnTrack Media
'03 Tuono | '06 SV650 | '04 CRF250X | '24 Aprilia Tuareg
I have one here in bellingham. I'll even meet you halfway with it, since it's a good day to GROM!
Hey, thanks for all the offers, Kitt, if you can pop it in the mail, I'd appreciate that.
Paul Duval
P.O. Box 109
Hatfield, MA 01038
Do you know which brand it is as I will need to pick up the nuts?
p.s. would love to come back up, but it's a few weeks yet before I have any free time.
I want to buy one for my van mini-build. Recommendations?
“It's 2 minutes for any capable adult.”
I installed a couple using this ghetto method yesterday. After first experimenting on a piece of scrap, I found that the rivnut was tending to spin in the hole. Couple tricks I found helped:
-Thread the nut/washer/rivnut onto the bolt first to make sure all the rivnut threads are engaged.
-Use a long socket-head bolt. The Allen key socket was more sturdy and it allowed me to put axial pressure on the bolt to make sure the flange of the rivnut stays against the surface.
-I used a lubricant (grease) on both sides of the washer to help prevent the rivnut from spinning. I later added a second greased washer to help.
Just learned what seems like a slick trick. If you put a notch in the drilled hole with a triangular file before you compress the rivet, it will take more torque before spinning.
“It's 2 minutes for any capable adult.”